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svp [43]
3 years ago
12

Can someone do 11-12?

Mathematics
1 answer:
ser-zykov [4K]3 years ago
8 0
11 might be : circle graph you can describe it in your own words, 12 I have no clue
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Without his pencil or calculator, Joey knows that 2x³+3x²− 1 = 0 has at least one real solution. How does he know?
vova2212 [387]

Answer: Find the discriminant

Check explanation

Step-by-step explanation:

b^2-4ac

if it is equal to 0 there is no solution

Greater then 0 there is 2 real solution

Less then 0 there is 1 real

3^2-4(2*-1)

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72 there is at least one real solution

6 0
3 years ago
25. Solve for x:<br> 4x-3/2=5/3
Westkost [7]

Answer:

X = 19/24

Step-by-step explanation:

Move the constant: 4x = 5/3 + 3/2

Add The Fractions: 5/3 + 3/2 = 19/6

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6 0
2 years ago
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chubhunter [2.5K]

Answer:

(-4,-1) is the answer to this.

7 0
2 years ago
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adelina 88 [10]

Answer:

I hope this helps

Step-by-step explanation:

180 Degree Rotation

When rotating a point 180 degrees counterclockwise about the origin our point A(x,y) becomes A'(-x,-y). So all we do is make both x and y negative.

6 0
3 years ago
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Manny is playing a game. He has -300 points. He earns 245 points. What is his score?
Jet001 [13]

Answer:-55

Step-by-step explanation:-300 + 245 = -55

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3 years ago
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